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V. Zacharias, S. Braun, and A. Schmidt. Handbook of Research on Web 2.0, 3.0 and X.0: Technologies, Business, and Social Applications, IGI Global, (2009)
S. Braun, A. Schmidt, A. Walter, and V. Zacharias. International Workshop on Emergent Semantics and Ontology Evolution (ESOE), ISWC 2007, Busan/Korea, (2007)
S. Braun, A. Schmidt, A. Walter, G. Nagypal, and V. Zacharias. Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge at the 16th International World Wide Web Conference (WWW 07), Banff, Canada, (2007)
S. Braun, A. Schmidt, and V. Zacharias. 4th Conference on Professional Knowledge Management - Experiences and Visions, Workshop on Productive Knowledge Work (ProKW 07), 2, page 217-226. Berlin, GITO, (28-30 March 2007)